Electronic signals can travel very long distances in fibers, due to total internal reflection.

What happens to the light rays when they hit the specimen?

What is a carrier wave and how does it affect what you hear on the radio

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.